SanDisk 8GB Ultra II Memory Stick PRO Duo High speed, high capacity: Optimal performance for demanding video recording. Faster read/write speeds: 9/10MB/sec. read/write speeds for rapid-fire, high-resolution images. Less time between shots: Saves larger image files faster. Faster PC transfer: Quickly import image files from the card to a computer. Lifetime limited warranty: Standard on all Ultra II formats.